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With the growing popularity and ease of access to the internet, the problem of online rumors is escalating. People are relying on social media to gain information readily but fall prey to false information. There is a lack of credibility…

Social and Information Networks · Computer Science 2021-11-24 Chahat Raj , Priyanka Meel

Rumour stance classification, defined as classifying the stance of specific social media posts into one of supporting, denying, querying or commenting on an earlier post, is becoming of increasing interest to researchers. While most…

Computation and Language · Computer Science 2017-12-07 Arkaitz Zubiaga , Elena Kochkina , Maria Liakata , Rob Procter , Michal Lukasik , Kalina Bontcheva , Trevor Cohn , Isabelle Augenstein

The Internet is rife with flourishing rumours that spread through microblogs and social media. Recent work has shown that analysing the stance of the crowd towards a rumour is a good indicator for its veracity. One state-of-the-art system…

Computation and Language · Computer Science 2019-07-03 Anders Edelbo Lillie , Emil Refsgaard Middelboe

Kyle (1985) proposes two types of rumors: informed rumors which are based on some private information and uninformed rumors which are not based on any information (i.e. bluffing). Also, prior studies find that when people have credible…

Computation and Language · Computer Science 2023-12-07 Alex Kim , Sangwon Yoon

Considering a conversation thread, rumour stance classification aims to identify the opinion (e.g. agree or disagree) of replies towards a target (rumour story). Although the target is expected to be an essential component in traditional…

Computation and Language · Computer Science 2024-02-23 Yue Li , Carolina Scarton

With the development of social media, rumors spread quickly, cause great harm to society and economy. Thereby, many effective rumor detection methods have been developed, among which the rumor propagation structure learning based methods…

Social and Information Networks · Computer Science 2025-08-07 Chaoqun Cui , Caiyan Jia

The emergence of the Internet as a ubiquitous technology has facilitated the rapid evolution of social media as the leading virtual platform for communication, content sharing, and information dissemination. In spite of revolutionizing the…

Social and Information Networks · Computer Science 2022-11-02 Sarina Jami , Iman Sahebi , Mohammad M. Sabermahani , Seyed P. Shariatpanahi , Aresh Dadlani , Behrouz Maham

In recent years, we witness the explosion of false and unconfirmed information (i.e., rumors) that went viral on social media and shocked the public. Rumors can trigger versatile, mostly controversial stance expressions among social media…

Computation and Language · Computer Science 2023-10-26 Ruichao Yang , Wei Gao , Jing Ma , Hongzhan Lin , Zhiwei Yang

We study a multiclass multiple instance learning (MIL) problem where the labels only suggest whether any instance of a class exists or does not exist in a training sample or example. No further information, e.g., the number of instances of…

Machine Learning · Statistics 2019-03-15 Xi-Lin Li

To manage the rumors in social media to reduce the harm of rumors in society. Many studies used methods of deep learning to detect rumors in open networks. To comprehensively sort out the research status of rumor detection from multiple…

Computers and Society · Computer Science 2022-04-26 Li Tan , Ge Wang , Feiyang Jia , Xiaofeng Lian

This paper surveys and presents recent academic work carried out within the field of stance classification and fake news detection. Echo chambers and the model organism problem are examples that pose challenges to acquire data with high…

Computation and Language · Computer Science 2019-07-02 Anders Edelbo Lillie , Emil Refsgaard Middelboe

The propagation of rumours on social media poses an important threat to societies, so that various techniques for rumour detection have been proposed recently. Yet, existing work focuses on \emph{what} entities constitute a rumour, but…

Social and Information Networks · Computer Science 2022-07-19 Thanh Tam Nguyen , Thanh Cong Phan , Minh Hieu Nguyen , Matthias Weidlich , Hongzhi Yin , Jun Jo , Quoc Viet Hung Nguyen

The truth is significantly hampered by massive rumors that spread along with breaking news or popular topics. Since there is sufficient corpus gathered from the same domain for model training, existing rumor detection algorithms show…

Computation and Language · Computer Science 2023-10-18 Hongzhan Lin , Jing Ma , Ruichao Yang , Zhiwei Yang , Mingfei Cheng

This paper describes team Turing's submission to SemEval 2017 RumourEval: Determining rumour veracity and support for rumours (SemEval 2017 Task 8, Subtask A). Subtask A addresses the challenge of rumour stance classification, which…

Computation and Language · Computer Science 2017-04-25 Elena Kochkina , Maria Liakata , Isabelle Augenstein

The spread of rumors along with breaking events seriously hinders the truth in the era of social media. Previous studies reveal that due to the lack of annotated resources, rumors presented in minority languages are hard to be detected.…

Computation and Language · Computer Science 2023-05-29 Hongzhan Lin , Pengyao Yi , Jing Ma , Haiyun Jiang , Ziyang Luo , Shuming Shi , Ruifang Liu

Recent work have done a good job in modeling rumors and detecting them over microblog streams. However, the performance of their automatic approaches are not relatively high when looking early in the diffusion. A first intuition is that, at…

Social and Information Networks · Computer Science 2024-04-10 Tu Nguyen

The wide spread of rumors on social media has caused a negative impact on people's daily life, leading to potential panic, fear, and mental health problems for the public. How to debunk rumors as early as possible remains a challenging…

Artificial Intelligence · Computer Science 2024-04-03 Tianrui Liu , Qi Cai , Changxin Xu , Bo Hong , Fanghao Ni , Yuxin Qiao , Tsungwei Yang

Strongly supervised learning requires detailed knowledge of truth labels at instance levels, and in many machine learning applications this is a major drawback. Multiple instance learning (MIL) is a popular weakly supervised learning method…

Machine Learning · Computer Science 2022-02-18 Saul Fuster , Trygve Eftestøl , Kjersti Engan

We tackle the problem of classifying news articles pertaining to disinformation vs mainstream news by solely inspecting their diffusion mechanisms on Twitter. Our technique is inherently simple compared to existing text-based approaches, as…

Social and Information Networks · Computer Science 2020-11-13 Francesco Pierri , Carlo Piccardi , Stefano Ceri

Massive false rumors emerging along with breaking news or trending topics severely hinder the truth. Existing rumor detection approaches achieve promising performance on the yesterday's news, since there is enough corpus collected from the…

Computation and Language · Computer Science 2022-04-20 Hongzhan Lin , Jing Ma , Liangliang Chen , Zhiwei Yang , Mingfei Cheng , Guang Chen